sara, do these development change the president's agenda? we knew discussions of syria were on the agenda but perhaps this has moved it up? >> certainly you're hearing from the white house that this could be a game changer if chemical weapons were, indeed, found to be used in syria. the syrian regime has been saying that it was the rebels who used them, but the united states doesn't buy that. nor does israel. so this is certainly something that is going to be talked about. we did hear from a senior israeli official who told me, look, we will be in discussions with the u.s. as to whether it needs to take some action, instead of, for example, israel taking action. you know that on january 30th the israelis, according to a u.s. official, ended up striking inside syria to keep syria from sending missiles, surface-to-air missiles, very dangerous weapons, over to hezbollah in lebanon. a group that both the u.s., and israel, consider a terrorist organization. now we're talking chemical weapons. that has always been on the agenda, the concern, becau